20856975915

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{29584363}}^1$

素因数の和:29584418

約数の個数: 16

約数和(自身を含む): 34081187328

約数和(自身を除く): 13224211413

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 29584363, 88753089, 147921815, 443765445, 1390465061, 4171395183, 6952325305, 20856975915]

約数ペア:

[(1, 20856975915), (3, 6952325305), (5, 4171395183), (15, 1390465061), (47, 443765445), (141, 147921815), (235, 88753089), (705, 29584363)]